1 /*
2 * (C) 2005-2012 by Pablo Neira Ayuso <pablo@netfilter.org>
3 *
4 * This program is free software; you can redistribute it and/or modify it
5 * under the terms of the GNU General Public License as published by
6 * the Free Software Foundation; either version 2 of the License, or
7 * (at your option) any later version.
8 */
9
10 #include "internal/internal.h"
11
12 static void
set_filter_dump_attr_mark(struct nfct_filter_dump * filter_dump,const void * value)13 set_filter_dump_attr_mark(struct nfct_filter_dump *filter_dump,
14 const void *value)
15 {
16 const struct nfct_filter_dump_mark *this = value;
17
18 filter_dump->mark.val = this->val;
19 filter_dump->mark.mask = this->mask;
20 }
21
22 static void
set_filter_dump_attr_family(struct nfct_filter_dump * filter_dump,const void * value)23 set_filter_dump_attr_family(struct nfct_filter_dump *filter_dump,
24 const void *value)
25 {
26 filter_dump->l3num = *((uint8_t *)value);
27 }
28
29 const set_filter_dump_attr set_filter_dump_attr_array[NFCT_FILTER_DUMP_MAX] = {
30 [NFCT_FILTER_DUMP_MARK] = set_filter_dump_attr_mark,
31 [NFCT_FILTER_DUMP_L3NUM] = set_filter_dump_attr_family,
32 };
33
__build_filter_dump(struct nfnlhdr * req,size_t size,const struct nfct_filter_dump * filter_dump)34 void __build_filter_dump(struct nfnlhdr *req, size_t size,
35 const struct nfct_filter_dump *filter_dump)
36 {
37 if (filter_dump->set & (1 << NFCT_FILTER_DUMP_MARK)) {
38 nfnl_addattr32(&req->nlh, size, CTA_MARK,
39 htonl(filter_dump->mark.val));
40 nfnl_addattr32(&req->nlh, size, CTA_MARK_MASK,
41 htonl(filter_dump->mark.mask));
42 }
43 if (filter_dump->set & (1 << NFCT_FILTER_DUMP_L3NUM)) {
44 struct nfgenmsg *nfg = NLMSG_DATA(&req->nlh);
45 nfg->nfgen_family = filter_dump->l3num;
46 }
47 }
48